package com.atguigu.tingshu.album.api;

import com.atguigu.tingshu.album.config.MinioConstantProperties;
import com.atguigu.tingshu.common.result.Result;
import io.minio.BucketExistsArgs;
import io.minio.MakeBucketArgs;
import io.minio.MinioClient;
import io.minio.PutObjectArgs;
import io.minio.errors.*;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.UUID;

@Tag(name = "上传管理接口")
@RestController
@RequestMapping("api/album")
public class FileUploadApiController {

    @Autowired
    private MinioConstantProperties minioConstantProperties;

    @PostMapping("/fileUpload")
    @Operation(summary = "文件上传")
    public Result<String> fileUpload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
        //声明url接收地址
        String url="";
        String fileName = null;
        //创建客户端
        MinioClient minioClient = MinioClient.builder()
                .endpoint(minioConstantProperties.getEndpointUrl())
                .credentials(minioConstantProperties.getAccessKey(), minioConstantProperties.getSecreKey())
                .build();
        //判断桶是否存在
        boolean exists = minioClient.bucketExists(BucketExistsArgs.builder()
                .bucket(minioConstantProperties.getBucketName())
                .build());
        if (!exists){
            minioClient.makeBucket(MakeBucketArgs.builder()
                    .bucket(minioConstantProperties.getBucketName())
                    .build());
        }else {
            System.out.println("Bucket "+minioConstantProperties.getBucketName() + "已存在");
        }
        String[] strings = file.getOriginalFilename().split("\\.");
        //获取文件后缀名
        String suffix = strings[strings.length - 1];
        fileName = UUID.randomUUID().toString().replaceAll("-", "") + "."+suffix;
        //上传文件
        minioClient.putObject(PutObjectArgs.builder()
                        .bucket(minioConstantProperties.getBucketName())
                        .object(fileName)
                        .stream(file.getInputStream(),file.getSize(),-1)
                        .contentType(file.getContentType())
                .build());
        url=minioConstantProperties.getEndpointUrl()+"/"+minioConstantProperties.getBucketName()+"/"+fileName;
        return Result.ok(url);
    }
}
